37 hakuosumaa

• 

  Examining 433 MHz sensor signal with SX1278/Arduino

  WX station 433 MHz OOK remote sensor, channel change signal. Arduino Due & Dragino 433 MHz Lora Shield (Semtech SX1278). #include <SPI.h> #define SERIAL_SPEED        38400 #define FREQ...

  08.09.2019 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Ringing Silvercrest wireless doorbell with Arduino

  and cheap 433.92 MHz OOK transmitter.https://teknokoodiradio.vuodatus.net/lue/2019/05/decoding-silvercrest-wireless-doorbell-with-arduino #include <RCSwitch.h> RCSwitch rcs = RCSwitch(); #def...

  27.06.2019 | Kommentteja 2 | Teknisiä laitteita ja ohjelmointia

---

• 

  Decoding Silvercrest wireless doorbell with SX1278/Arduino

  Equipment used: Dragino Lora Shield (Semtech SX1278 chip) https://wiki.dragino.com/index.php?title=Lora_Shield Arduino Due (Digital pin 7 [DIO2/Data] used for IRQ, so e.g. Arduino Uno cannot be used)...

  24.05.2019 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Decoding Silvercrest wireless doorbell with Arduino

  Arduino Uno Cheap 433 MHz OOK receiver module Rc-switch library https://github.com/sui77/rc-switch Silvercrest wireless doorbell transmitter OOK receiver rc-switch/examples/ReceiveDemo_Advanced/Rece...

  23.05.2019 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Arduino/SX1278: Mobitex-1200 462.325 MHz ?

  Dragino Lora Module (Semtech SX1278) for Arduino can demodulate FSK, GFSK, MSK and GMSK. SX1278 datasheet: https://cdn-shop.adafruit.com/product-files/3179/sx1276_77_78_79.pdfhttps://cdn-shop.adafruit...

  21.10.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Semtech SX1278/Arduino manual reset

  Dragino Lora Module: SX1278 reset (Pin 7) is connected to Arduino digital pin 9.https://teknokoodiradio.vuodatus.net/lue/2018/08/poc-pocsag-rx-with-sx1278-arduino #define SX_RESET                    ...

  17.10.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  POC: Pocsag rx with SX1278/Arduino

  HW: Dragino Lora shield & Arduino Uno. SX1278 continuous mode (https://cdn-shop.adafruit.com/product-files/3179/sx1276_77_78_79.pdf) This is not full decoder, just simple preamble/frame sync/idle ...

  15.08.2018 | Kommentteja 3 | Teknisiä laitteita ja ohjelmointia

---

• 

  Investigating POCSAG with GNU Radio & Python

  By using SDR# & RTL-SDR I recorded 32 bit IEEE float baseband file of a POCSAG transmission (450.002 MHz) and examined the signal with PDW + virtual audio cable. PDW displayed ** and data rate 512...

  30.06.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Decoding 2-FSK with GNU Radio

  RX: RTL-SDR.COM V.3, GNU Radio, Python TX: Arduino Uno & Dragino Lora Shield (Semtech SX1278) http://wiki.dragino.com/index.php?title=Lora_Shield 436 MHz 1200 bps 2-FSK NRZ, CRC OFF, preamble pola...

  14.06.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Prego wireless weather station

  Analyzing Prego 433 MHz wireless WX station with rtl_433 tool (analyze mode) showed mostly: OOK detected. Modulation, no clue and a long string of 1's. I recorded AM demodulated recordings with SDR# w...

  02.05.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Calibrate/optimize Semtech SX1278 OOK demodulator

  Set frequency and RX channel filter bandwidth (RegRxBw) Set OokFixedThreshold (RegOokFix, default value: 0xc) Set continuous mode (RegPacketConfig, bit 6, data processing mode) Set bit synchronizer of...

  27.04.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Arduino Due & Dragino LoRa shield (SX1278)

  Dragino LoRa shield can be used with Arduino Due.http://wiki.dragino.com/index.php?title=Lora_Shield Semtech SX1278 chip (https://cdn-shop.adafruit.com/product-files/3179/sx1276_77_78_79.pdf) can do ...

  21.03.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Decoding mobile traffic lights with Arduino/SX1278

  Hardware used: Arduino Uno & Dragino LoRa (SX1278) module http://wiki.dragino.com/index.php?title=Lora_Shield #include <SPI.h> #define SERIAL_SPEED        9600 #define BPS             ...

  18.03.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Arduino Uno SX1278 FSK receiver

  Arduino Uno & Dragino LoRa module (Semtech SX1278 chip) FSK receiver. #include <SPI.h> #define SERIAL_SPEED        9600 #define BPS                 9600 #define FREQ                869.5...

  05.03.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

---

• 

  Decoding FSK radiomodems with Arduino/SX1278

  Some radiomodem FSK mode transmissions in the ISM 868 band can be received with Arduino + Dragino Lora shield (Semtech SX1278 chip). SX1278 library: https://github.com/open-electronics/LoRa/releases ...

  28.02.2018 | Kommentteja 17 | Teknisiä laitteita ja ohjelmointia

---